Process Serving, Subpoenas, Summons, Foreclosure on Long Island by Advance Process Servers Advanced Process Service is a unique, full-service process serving company based on Long Island, New York. Combining the nationwide server network of a large company with the personalized customer service and fast turnaround time of a smaller firm, APS is the ultimate solution for anyone looking for fast, professional and reliable process serving services. Advprocess.net~Site InfoWhoisTrace RouteRBL Check